Bajaj Finserv — complaint against fraud

Hello,
I have purchased mobile phone through amzone on emi by bajaj emi card. I have to pay rs. 17891/- in 9 emi. Since i got some cash so i decided to pay advance emi and i have paid 8 emi in advance amount of rs. 16368/- on 20/9/2018 but today on 6/10/2018 when i login to my bajaj finserv account and check my account detail it show that i have not paid any amount and it almost 16 days gone when i paid my amount. But there site and app shows zero amount paid.